供大家学习以太网VHDL和Verilog代码

说明：  脉冲宽度调制，VHDL代码编写，包括QUARTUSII和MODELSIM工程以及testbench(Pulse width modulation, VHDL coding, including QUARTUSII and ModelSim engineering and Testbench)

说明：  使用VHDL实现的LED-80分组密钥，相对于其它密钥具有硬件实现面积更小的特点(vhd code of a lightweight block cipher LED-80)

说明：  FPGA按键加蜂鸣器实验： 加延时防抖+蜂鸣器(Experiments of keys and buzzers in FPGA)

modelsim快速入门教程，附带文中范例源代码。-ModelSim Quick Start Guide, incidental text in an example of source code.

IT IS THE DP MEMORY MODULE. IT CONTROLS THE DP MEMORY

uart的vhdl实现，包含完整quartus工程文件，相信会有较大帮助-uart vhdl quartus

2通道模数转换器的采集实现。包含VIRTEX-II 和SPARTAN-III 两种类型的FPGA元件，模数转换器件为ADS527X系列，含仿真代码。采用VHDL语音实现，具有参考价值。

通用存储器VHDL代码库,The Free IP Project VHDL Free-FIFO, Quartus standard library. -generic VHDL code for memory, The Free Project VHDL IP Free-FIFO, Quartus standard library.

基于FPGA的等精度数字频率计，包含FPGA和单片机通信程序，解释非常详细。经过调试成功。(FPGA-based Precision Digital frequency meter, including FPGA and MCU communication program, explained in great detail. After successful commissioning.)

Traffic light program in c presents what happens in our daily life at traffic light signals.